CN1086964C - Continuous casting equipment and continuous casting-rolling method - Google Patents
Continuous casting equipment and continuous casting-rolling method Download PDFInfo
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- CN1086964C CN1086964C CN95100078A CN95100078A CN1086964C CN 1086964 C CN1086964 C CN 1086964C CN 95100078 A CN95100078 A CN 95100078A CN 95100078 A CN95100078 A CN 95100078A CN 1086964 C CN1086964 C CN 1086964C
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Abstract
The present invention provides a continuous device and a continuous production process combining continuous casting and continuous rolling. Molten metal is poured into a mold casing cavity of molten metal through a pouring device conduit, the mold casing cavity of molten metal is formed from mold bands and is capable of continuously and forwards moving, and the molten metal is continuously cooled by water into casting blanks; high-speed casting blanks of the casing blanks are fed into a temperature-equalizing room, and the surface temperature of casting blanks cooled through automatic temperature control uniformly achieves the optimal rolling temperature. The casting blanks are fed into a continuous rolling machine in order to form the continuous optimal production process combining with continuous casting and continuous rolling; wires, sections, plates, plates which are super wide and have large areas, etc. can be produced; devices and resources can be greatly saved, the rate of finished products is near 100%, and production efficiency and economic benefit are increased in multiples.
Description
Four-tape formula casting apparatus and continuous casting temperature equalization tandem rolling equipment belong to the continuous casting technology field, relating to a kind of its mould cavity in particular is the casting apparatus that is made of zone of a crystal fully, and its high temperature fast continuous casting base is through the nozzle group's in equal greenhouse the rolling continuous casting-samming-continuous rolling production line of equilibrium adjustment cooling back direct sending tandem rolling unit.
Existing double belt casting apparatus is that the water cooling that is cooled becomes continuous the pulling out of strand in the mould cavity that molten metal is admitted to the pair of parallel setting and two row sidewall block groups of a pair of crystallizer band that rotates by rightabout and clamping thereof constitute.
The direct-rolling process flow process of existing continuous casting billet is, the continuous casting billet that the casting apparatus continuous casting goes out, and it is rolling to send into the tandem rolling unit behind the heating samming of heating furnace or seamed edge heater.
Therefore above-mentioned technology exists following problem.
1, twin-belt caster, owing to form the crystallizer band of mould cavity and the sidewall block group of its clamping, and the continuous combination between each adjacent wall piece, move, folding divides, and this has caused great difficulty just for the sealing of the outer cooling water of mould cavity, very easily because of cooling water " infiltration " " infiltration " cause strand to produce " overlap " " burr ", even cause the serious accident of mould cavity blast to take place.
2, because the mould cavity of four-tape formula conticaster is to be made of a pair of crystallizer band and clamping two row sidewall block groups thereof, sidewall block group and guider thereof, the equipment heaviness, the cost height is changed difficulty, and the kind of strand is also more single.
3, because the casting speed of existing conticaster is slow or strand cross sectional shape unreasonable, cause existing continuous casting billet direct rolling process regulation, the continuous casting billet that is gone out by the conticaster continuous casting needs behind the samming of heating once more of heating furnace or seamed edge heater, it is rolling to deliver to the tandem rolling unit again, has so not only wasted fuel or electric weight, has also increased the oxidation blistering loss of casting billet surface in heating, the cumulant all the year round of above-mentioned consumption is huge, and the economic loss that is caused also is huge.
Four-tape formula casting apparatus and continuous casting temperature equalization tandem rolling equipment have been invented in order to solve above-mentioned difficult problem design.
Its objective is: 1, provide that a kind of to make up the closed performance that constitutes of butt joint mutually by the crystallizer band fabulous, its shape specification can be adjusted the mould cavity of change and be the four-tape formula casting apparatus of core with this mould cavity, its structure is simplified, cost is low, and service behaviour is more stable, longer service life, the kind of the company's of production base is more, application surface is wider, is applying of four-tape formula casting apparatus, and the application of the continuous production line of continuous casting-samming-tandem rolling and the fixed basis of development honor.
2, in order to correct " continuous casting billet direct rolling process flow process " in the prejudice of post bake of continuous casting billet, retrieve prejudice thus and the massive losses that causes, design has been invented, all greenhouse and continuous casting-samming-continuous rolling production line.Make minimum that the production cost of steel falls, make the highest that the production efficiency of enterprise and economic benefit carry.
Its method is achieved like this:
1, the mould cavity of its casting apparatus makes up butt joint mutually by the crystallizer band and constitutes, crystallizer band its typical four-tape formula casting apparatus that moves capable of circulation, it comprises that two covers are stretched in the side crystallizer band on the roller, with two groups of adjustable rectification displacements put guide groove, proximal edge place at two cover front crystallizer bands is provided with shallow slot, in shallow slot, be provided with sealing strip, two side crystallizer bands are clamped between two front crystallizer bands, and the edge of both sides that makes side crystallizer band is by in the corresponding shallow channel of panel on two front crystallizer bands; The both sides of the edge that make front crystallizer band by panel in corresponding guide groove, and can slide accurately along guide groove, retraining two front crystallizer bands is clamped on two side crystallizer bands closely, sealing strip in the shallow slot is pressed together on the edge of both sides of side crystallizer band closely, the both sides of the edge of side crystallizer band are closed in shallow slot, the mould cavity space of sidewall sealing around having formed one section, make the circular flow of crystallizer band, and from inlet casting metal liquation in mould cavity, molten metal moves forward under the loading of mould cavity, and the water cooling that is cooled becomes strand to pull out from outlet.
Adjust the position that changes roller and guide groove, change the crystallizer band that matches, the mould cavity of one-tenth difformity size capable of being combined, but continuous casting goes out the strand of difformity specification.
The continuous production line of continuous casting-samming-tandem rolling, include: four-tape formula casting apparatus, equal greenhouse, the tandem rolling unit is gone out by four-tape formula casting apparatus continuous casting, leaves the high temperature fast continuous casting base of minimum amount of rolling, send into equal greenhouse, after equilibrium adjustment cooling, with rolling temperature and the rolling a kind of brand-new technology of input speed direct sending tandem rolling unit that the tandem rolling unit needs, the production line of equipment.
The indoor nozzle group who has segmentation to be provided with of samming, between the head and the tail of nozzle series and each section, all be provided with the thermometric window, transversely arranged and the corresponding thermal radiation temperature sensor of nozzle are arranged in the thermometric window, pick up survey to carrying out continuous scanning through the surface temperature of the strand before the window, its signal value input computer, and compare effect with set-point, its difference signal is after computing, go the injection flow rate or the spray amount of corresponding nozzle, make strand make the strand temperature in exit be cooled to the rolling temperature value by the equilibrium adjustment cooling of the temperature value segmentation of setting by the adjustment of equilibrium.
The nozzle group is that matrix form is arranged under desirable state.
The feature of above-mentioned production line is: the temperature-equalizing equipment that includes balanced cooling.
The benefit of such scheme is:
1, owing to taked side crystallizer band to replace sidewall block group to simplify the structure, reduced cost, and ensured the sealing property of mould cavity, make four-tape formula conticaster price reduce stable work in work, long service life, the specification of producing strand is wide in variety, and casting billet surface is bright and clean, and quality is good.The length that increases mould cavity can increase the casting speed of strand, for the production of the fast continuous casting base of light-gauge nearly end form shape provides superior performance, the continuous casting installation for casting of cheap in price.For all set necessary equipment and technical conditions are produced in the serialization of continuous casting-samming-tandem rolling.
2, the serialization production model of continuous casting-samming-tandem rolling, corrected in the continuous casting billet direct rolling process flow process, continuous casting billet is sent into the rolling prejudice of tandem rolling unit after need passing through heating once more of heating furnace or seamed edge heater, change into by after the equilibrium adjustment cooling of the quick high-temp continuous casting billet that includes the nearly end form shape that leaves minimum rolling surplus that four-tape formula casting apparatus continuous casting goes out through the nozzle group's in equal greenhouse water spray or spraying, send into the direct rolling process flow process of the rolling a kind of new continuous casting billet of tandem rolling unit, avoided the post bake process of strand, fuel or electric weight have been saved, also reduced the oxidation loss of casting billet surface, can not only production strip material, can also produce wire rod, bar, section bar, be many kinds of middle-size and small-size steel mill, small lot batch manufacture provides a kind of technology and equipment of desirable low price.
Adopted the continuous casting billet of the nearly end form shape that leaves minimum amount of rolling, the cross section of strand is little, this has just reduced the weight of the diameter and the milling train of rolling mill roll greatly, rolling passage and rolling frame number have been reduced, saved a large amount of investment of production line and auxiliary facility thereof, make general iron and steel enterprise can both afford to bear continuous casting, samming, the investment of continuous rolling production line, the last continuous casting temperature equalization tandem rolling continuous production line of energy usefulness is therefore according to existing continuous casting steel rolling technology, saved heating furnace, saved blooming mill, milling train in the part has been saved equipment, saved the field, manually, saved fuel, electric power and numerous and diverse middle accumulating link, feasible lumber recovery from the molten steel to steel is near 100%, reduced cost greatly, the raising of amplitude peak production efficiency and economic benefit, be desirable the upgrading technology and the equipment of the continuous casting steel rolling production-line of current iron and steel enterprise.
A most preferred embodiment of the present invention is provided by the following drawings, therefrom can find out above-mentioned purpose and advantage.
Fig. 1, four-tape formula casting apparatus general structure schematic diagram.
Fig. 2, the A-A of four-tape formula casting apparatus cuts open and shows structural representation.
Fig. 3, the B-B of four-tape formula casting apparatus cuts open and shows structural representation.
Fig. 4, all greenhouse general structure schematic diagram.
Fig. 5, all the C-C in greenhouse cuts open and shows structural representation.
Fig. 6, all the D-D in greenhouse cuts open and shows structural representation.
Fig. 7, continuous casting-samming-tandem rolling continuous production line structural representation.
The mould cavity of four-tape formula conticaster is by being stretched in roller 5; 6 and 7; the front crystallizer band 1 that 8 pair of parallel is provided with; 2 and clamping be stretched in side crystallizer band 3 on roller 9,10 and 11,12; 4 make up butt joint mutually constitutes; proximal edge place, two sides at front crystallizer band 1,2 is provided with shallow slot 19, is provided with sealing strip 20 in shallow slot 19; make the both sides of the edge of side crystallizer band be embedded in front crystallizer band 1; in the corresponding shallow slot 19 on 2, and be pressed together on closely on the sealing strip 20, formed one section by crystallizer band 1; 3; 2,4 mutually combination to being connected into the mould cavity of sidewall sealing all around; be provided with guide groove 18 in the both sides of mould cavity; the edge of crystallizer band 1,2 both sides is embedded in respectively in the corresponding guide groove 18 under the clamping of protection endless belt 25, and can accurately be along guide groove to front slide; can ensure side crystallizer band 3; the reliable sealing of mould cavity with sealing strip 20 pressing closely, can be guaranteed in the edge of 4 both sides in shallow slot 19.Start main motor 28 and move, so just formed one section by the mould cavity that can move forward continuously of crystallizer band 1,3,2,4 combinations to being connected at its inlet and between exporting by the circulation synchronously of transmission mechanism driving crystallizer band.Its pouring type can be the open type cast, but be closed cast in ideal conditions, its molten metal is at suitable pressures, by being poured in the mould cavity with the supporting mouth of a river 14 of mould cavity, molten metal moves to outlet under the loading of mould cavity, outside mould cavity under the continuous cooling of cooling water, metal scull progressive additive on the mould cavity wall, when it runs to outlet 21 the time, strand shell 27 has had enough intensity, continuous pulls out, and the crystallizer band returns circulation after device 29 dryings that are dried on the line of return.
The continuous production line of continuous casting-samming-tandem rolling, the high temperature fast continuous casting base 27 of the nearly end form shape that leaves minimum rolling surplus that goes out by four-tape formula conticaster continuous casting, send into equal greenhouse 31, and adjusted cooling and be cooled to rolling temperature by the indoor nozzle group's 35 of samming water spray or spraying are balanced, it is rolling to send into tandem rolling unit 41, forms the serialization production process of continuous casting-samming-tandem rolling.
All the structure in greenhouse 31 is: its inside is provided with the nozzle group 35 that segmentation is arranged; Between nozzle group's two ends and section thereof, be provided with temperature measuring window 37 the transversely arranged thermal radiation temperature sensor 36 corresponding with its nozzle arranged in temperature measuring window; Nozzle 35 all can be adjusted change with the position of its thermal radiation temperature sensor 36 and injection flow rate or the spray amount of nozzle; Can adapt to the requirement of equilibrium adjustment cooling of the continuous casting billet of difformity specification; To satisfy the need of production of many kinds of small lot stocking
All the regulate and control method in greenhouse is: the cross sectional shape according to continuous casting billet is obtained the temperature value that strand should reach by the cooling of each section nozzle group time casting billet surface each point with size and relevant parameter thereof, as given signal value input computer, after strand 27 enters equal greenhouse 31,36 pairs of thermal radiation temperature sensors in the thermometric window 37 carry out continuous scanning through strand 27 surface temperatures before the thermometric window and detect, its signal value input computer, compare with given signal value, its difference signal is through going to control the injection flow rate or the spray amount of respective nozzles after the computing, make strand the time through each nozzle group section, cooled off by the equilibrium piecemeal of given temperature value by each section nozzle group, make the strand temperature that reaches the exit by the rolling temperature value that is cooled to set of equilibrium, and send into the tandem rolling unit and be rolled into material.
The feature of above-mentioned production line is obviously: it includes the temperature equalization system of balanced cooling.
Because making up butt joint mutually by the crystallizer band, mould cavity constitutes, its butt joint is sealed sealing closely in shallow slot, therefore the closed performance of mould cavity is good, slab surface quality is good, the working stability life-span is long, and cost simple in structure is low, but and the quick high-temp continuous casting billet of production difformity specification, practical, wide application.
Because in continuous casting-samming-continuous rolling production line, adopted the high temperature fast continuous casting base of the nearly end form shape that leaves minimum amount of rolling that goes out by four-tape formula conticaster continuous casting, direct sending tandem rolling unit is rolling after equilibrium adjustment cooling, saved heating furnace, blooming mill, milling train in most, and make the diameter of roll and the weight of milling train reduce greatly, reduced the price of tandem rolling unit and its production line greatly, saved fuel, electric power, factory site, manually, make lumber recovery from the molten steel to steel near 100%, reduced cost greatly, the raising of amplitude peak production efficiency and economic benefit, be iron and steel enterprise's continuous casting, desirable upgrading technology and equipment that steel rolling is produced.
Claims (7)
1, a kind of four-tape formula casting apparatus and temperature equalization tandem rolling equipment, it comprises a casting apparatus and a temperature equalization tandem rolling production line, it is characterized in that, described casting apparatus comprises a crystallizer mould cavity that is made of sidewall four crystallizer bands.
2, a kind of four-tape formula casting apparatus as claimed in claim 1 and temperature equalization tandem rolling equipment, it is characterized in that, described crystallizer mould cavity bag two water cooling sides crystallizer band and crystallizer band guide groove, the proximal edge place, both sides that water-cooled front crystallizer band is set in pair of parallel is provided with shallow slot, in shallow slot, be provided with sealing strip, the both sides of the edge panel that makes two side crystallizer bands is in corresponding shallow channel, and under the constraint of the guide groove at the proximal edge place of front crystallizer band, be pressed together on closely on the sealing strip in the shallow slot, and the operation capable of circulation of crystallizer band.
3, a kind of four-tape formula casting apparatus as claimed in claim 1 and temperature equalization tandem rolling equipment, it is characterized in that, end at described crystallizer is provided with temperature equalization system-equal greenhouse, the indoor nozzle group who has segmentation to be provided with of samming, the position of its nozzle and the injection flow rate of nozzle or spray amount all can be adjusted change.
4, a kind of four-tape formula casting apparatus as claimed in claim 3 and temperature equalization tandem rolling equipment is characterized in that, described nozzle group becomes matrix form to arrange.
5, a kind of four-tape formula casting apparatus as claimed in claim 3 and temperature equalization tandem rolling equipment, it is characterized in that, between described nozzle group's two ends and nozzle group's section, be provided with the thermometric window respectively, it is corresponding with nozzle group's nozzle to be provided with the thermal radiation temperature sensor in the thermometric window, and can survey advancing line scanning Inspection through the casting blank surface temperature before the thermometric window, its signal value input computer, and compare with its set-point, its difference signal goes the injection flow rate or the spray amount of corresponding nozzle after computing, make the strand temperature in its exit be cooled to the rolling temperature value by the adjustment of equilibrium, it is rolling to be sent to tandem mill.
6, a kind of four-tape formula casting apparatus as claimed in claim 5 and temperature equalization tandem rolling equipment is characterized in that, described thermal radiation formula temperature sensor is transversely arranged.
7, a kind ofly it is characterized in that as claim 1 described four-tape formula casting apparatus and temperature equalization tandem rolling equipment, include the temperature equalization system of balanced cooling in the described production line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95100078A CN1086964C (en) | 1995-01-12 | 1995-01-12 | Continuous casting equipment and continuous casting-rolling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95100078A CN1086964C (en) | 1995-01-12 | 1995-01-12 | Continuous casting equipment and continuous casting-rolling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1126639A CN1126639A (en) | 1996-07-17 |
| CN1086964C true CN1086964C (en) | 2002-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95100078A Expired - Fee Related CN1086964C (en) | 1995-01-12 | 1995-01-12 | Continuous casting equipment and continuous casting-rolling method |
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| Country | Link |
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| CN (1) | CN1086964C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6800335B2 (en) * | 2016-11-29 | 2020-12-16 | エス・エム・エス・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Caterpillar casting machine and its method for producing castings from liquid metal |
| CN107335696B (en) * | 2017-06-14 | 2019-03-08 | 无锡贺邦汽车配件有限公司 | A kind of automobile buffering steel disc forming devices |
| CN107497852A (en) * | 2017-09-30 | 2017-12-22 | 四川德胜集团钒钛有限公司 | A kind of steel exempt from heating rolling system and method |
| CN111689138B (en) * | 2020-05-11 | 2021-03-09 | 龙南格林园艺制品有限公司 | Metal wire forming and collecting machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083421A (en) * | 1992-06-23 | 1994-03-09 | 凯泽铝和化学公司 | The method and apparatus of continuous casting of metal |
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1995
- 1995-01-12 CN CN95100078A patent/CN1086964C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083421A (en) * | 1992-06-23 | 1994-03-09 | 凯泽铝和化学公司 | The method and apparatus of continuous casting of metal |
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| Publication number | Publication date |
|---|---|
| CN1126639A (en) | 1996-07-17 |
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